1. Department of Psychology and Psychotherapy; University of Bielefeld, Bielefeld; Germany
2. Research Service, Veterans Affairs Palo Alto Health Care System; Palo Alto California USA
3. Department of Psychology; University of Hawaii; Hilo Hawaii USA
4. Department of Neurology; University of North Carolina; Chapel Hill North Carolina USA
5. Department of Psychiatry and Behavioral Sciences; Stanford University School of Medicine; Stanford California USA
6. Psychiatry Service; Veterans Affairs Palo Alto Health Care System; Palo Alto California USA